A bill to direct the National Institute of Arthritis, Metabolism, and Digestive Diseases to conduct such studies as may be necessary to determine the safety and efficacy under section 505 of the Federal Food, Drug, and Cosmetic Act of dimethyl sulfoxide (DMSO) as a topical analgesic and to provide that, if the drug is so determined to be safe and effective, new drug applications may be approved under such section based on the evidence submitted by the institute.